## Bharat Gupta is teaching live on Unacademy Plus

Alligation Basics part 1 Er. Bharat Gupta

Alligation Percent concentration based questions Let x litre of a% acid is mixed with y litre of b% acid. Let concentration of final mixture be z%. When we mix two liquids we have following conclusions Conclusion 1: Volume of final mixture is sum of the two mixtures. Conclusion 2: Concentration of final mixture is unknown but it will lie between the two concentrations a and b. Let a > b, hence a > z> b. First mixture LI Volume of the mixtures Concentration of the mixtures 2 2 2 6%) Second misture

First mixture dro Volume of the mixtures Concentration of the mixtures 6%) Second mixture Note that Middle value () always comes in the diagonal position or or

Alligation average less more approach Percent concentration based questions Let x litre of a% acid is mixed with y litre of b% acid. Let concentration of final mixture be z%. When we mix two liquids we have following conclusions Conclusion 1: Volume of final mixture is sum of the two mixtures. Conclusion 2: Concentration of final mixture is unknown but it will lie between the two concentrations a and b. Let a > b, hence a > z> b. First Part Second Part Final Part x + y a% b% Z%

If 30 litre of 20% milk is mixed with 20 litre of 25% milk, then find the concentration of milk in the resulting solution. a. 21% b. 22% c. 23% d. 24%

If 30 litre of 20% milk is mixed with 20 litre of 25% milk, then find the concentration of milk in the resulting solution. a. 21% b. 22% c. 23% d. 24% 30 20 207. 7 20 30 -25 20 -20 2020 2b 21-20

If 30 litre of 20% milk is mixed with 20 litre of 25% milk, then find the concentration of milk in the resulting solution. a. 21% b. 22% c. 23% d. 24% First Part Second Part Final Part 30 3 207. 2. 50 25% 23 Cub) 2 Py

Two types of steel A & B are available. Type A contains 5 % Nickel and type B contains 40% Nickel. Quantity of steel B should be mixed with 20 kg of steel A so that the final alloy contains 30% Nickel? a. 20 kg b. 30 kg c. 40 kg d. 50 kg

Two types of steel A & B are available. Type A contains 5 % Nickel and type B contains 40% Nickel. Quantity of steel B should be mixed with 20 kg of steel A so that the final alloy contains 30% Nickel? a. 20 kg b.30 kg c. 40 kg d. 50 kg 5y Ltoy 20 20 40-3 BoV

Two types of steel A & B are available. Type A contains 5 % Nickel and type B contains 40% Nickel. Quantity of steel B should be mixed with 20 kg of steel A so that the final alloy contains 30% Nickel? a. 20 kg b.30 kg c. 40 kg d. 50 kg (hekod-i First Part Second Part Final Part A. 20